ForgePatch/patches_old_unknown/EnchantmentThorns.java.patch

--- ../src-base/minecraft/net/minecraft/enchantment/EnchantmentThorns.java
+++ ../src-work/minecraft/net/minecraft/enchantment/EnchantmentThorns.java
@@ -51,12 +51,12 @@
 
             if (!itemstack.func_190926_b())
             {
-                itemstack.func_77972_a(3, p_151367_1_);
+                damageArmor(itemstack, 3, p_151367_1_);
             }
         }
         else if (!itemstack.func_190926_b())
         {
-            itemstack.func_77972_a(1, p_151367_1_);
+            damageArmor(itemstack, 1, p_151367_1_);
         }
     }
 
@@ -76,4 +76,25 @@
     {
         return p_92095_0_ > 10 ? p_92095_0_ - 10 : 1 + p_92095_1_.nextInt(4);
     }
+
+    private void damageArmor(ItemStack stack, int amount, EntityLivingBase entity)
+    {
+        int slot = -1;
+        int x = 0;
+        for (ItemStack i : entity.func_184193_aE())
+        {
+            if (i == stack){
+                slot = x;
+                break;
+            }
+            x++;
+        }
+        if (slot == -1 || !(stack.func_77973_b() instanceof net.minecraftforge.common.ISpecialArmor))
+        {
+            stack.func_77972_a(1, entity);
+            return;
+        }
+        net.minecraftforge.common.ISpecialArmor armor = (net.minecraftforge.common.ISpecialArmor)stack.func_77973_b();
+        armor.damageArmor(entity, stack, DamageSource.func_92087_a(entity), amount, slot);
+    }
 }